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07/05/07 | 46 views | #20070152080 | Prev - Next | USPTO Class 239 | About this Page  239 rss/xml feed  monitor keywords

Fuel injector with directly triggered injection valve member

USPTO Application #: 20070152080
Title: Fuel injector with directly triggered injection valve member
Abstract: A fuel injector having a piezoelectric actuator directly actuating an injection valve member, which piezoelectric actuator acts on a booster piston, and a face end of the booster piston acts on a hydraulic coupling chamber for actuating the injection valve member, and the piezoelectric actuator is received in a hollow chamber in the injector housing, which hollow chamber is filled with a fuel volume that is under high pressure. The diameter of a sealing edge in the actuator base region corresponds to the diameter of the booster piston.
(end of abstract)
USPTO Applicaton #: 20070152080 - Class: 239102200 (USPTO)
Related Patent Categories: Fluid Sprinkling, Spraying, And Diffusing, With Means To Vibrate Or Jiggle Discharge, By Electric Transducer (e.g., Piezoelectric Crystal)

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Fluid sprinkling, spraying, and diffusing

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